There's no need for voting machines, at all. As shown in Scotland, it's perfectly practical to hold an STV election with voters ranking candidates by writing nu

There's no need for voting machines, at all. As shown in Scotland, it's perfectly practical to hold an STV election with voters ranking candidates by writing numbers on their ballot papers. This can be adapted straightforwardly to approval voting, IRV, etc. Also, Scottish voters use four different multi-winner voting systems, showing that even the problem of voter education isn't insurmountable.